Tempsens Instruments, an ISO 9001: 2000 company, offers a wide range of Black Body Source Calibrators designed to provide stable, uniform and accurate temperature enabling professionals to calibrate pyrometer. Tempsens dry block calibrators operates on 230 V AC, 50/60 Hz and are available in laboratory model and portable unit having temperature range from 300°C to 1500°C and 50°C to 1200°C. These are equipped with a digital self tuned PID controller which enables the user to achieve a stability of 0.1°C at lower temperature and 1.0°C at higher temperature. These have emissivity of 0.99 ±0.01 offering closest approximation of a target surface. These are having long term stability and better heat management.